Don Hubert, The Landmine Ban: A Case Study in Humanitarian Advocacy, Thomas J. Watson Jr. Institute for International Studies, Occasional Paper 42 (Providence, RI, 2000), p. 17.
Don Hubert, The Landmine Ban: A Case Study in Humanitarian Advocacy, Thomas J. Watson Jr., Instituto de Estudios Internacionales , Occasional Paper 42 (Providence, RI, 2000), pág. 17.